>2aenB (B:) SEQRES residues tvepvldgpyqpttfkppndywllissntngvvyestnnndfwtaviavephvsqtnrqy ilfgenkqfnvennsdkwkffemfkgssqgdfsnrrtltssnrlvgmlkyggrvwtfhge tprattdssntadlnnisiiihsefyiiprsqeskcneyinngl